260431323563 has 4 divisors (see below), whose sum is σ = 260466758928. Its totient is φ = 260395888200.

The previous prime is 260431323533. The next prime is 260431323569. The reversal of 260431323563 is 365323134062.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 260431323563 - 2²⁸ = 260162888107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260431323569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17706656 + ... + 17721357.

It is an arithmetic number, because the mean of its divisors is an integer number (65116689732).

Almost surely, 2^260431323563 is an apocalyptic number.

260431323563 is a deficient number, since it is larger than the sum of its proper divisors (35435365).

260431323563 is an equidigital number, since it uses as much as digits as its factorization.

260431323563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35435364.

The product of its (nonzero) digits is 233280, while the sum is 38.

The spelling of 260431323563 in words is "two hundred sixty billion, four hundred thirty-one million, three hundred twenty-three thousand, five hundred sixty-three".